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the latter. Dorcopsis is confined to New Guinea, and contains
three species, viz. 2). muelleri, D. liictuosa, and D. macleani.
D. muelleri lias a striking resemblance to Macropus l)runii> with
which it has been confounded. Though intermediate between
Macropus and Dendrolctgus, these Kangaroos are not arboreal.

The genus Dendrolag-us is remarkable for its Tin-kangaroo-like
habit of living in trees. In accordance with this change of
habit is a relative shortening of the hind-limbs, a feature which

Fia. 67.-—Tree-Kangaroo.    Dendrolagrus tenmetti.     x -j^.
begins to "be observable in Dorcopsis. " The general build/* writes
Mr. Thomas, "is of the ordinary inammalian proportions, not
macropodiform at all." The muffle is not naked for the greater
part, though the shortness of the hairs gives that effect. As in
Dorcopsis, but not as in Macropus, the bulla tyinpani is not
swollen. There are altogether five species, the fifth, D. lennetti,
having been lately described from specimens living in the Zoo-
logical Society's Gardens.
The anatomy of this genus has been described by Owen for
2). in'Matus* and by myself for D, lennetti.     The  stomach, which
1 Piroc. jgbol. JSfoc. 1852, p. 103.